pub static CONTENT_TYPE: &'static str = "Content-Type";
pub static CONTENT_LENGTH: &'static str = "Content-Length";
pub static CONTENT_ENCODING: &'static str = "Content-Encoding";
pub static HOST: &'static str = "Host";
pub static USER_AGENT: &'static str = "User-Agent";
pub static ACCEPT: &'static str = "Accept";
pub static ACCEPT_ENCODING: &'static str = "Accept-Encoding";

pub static TEXT_HTML_CONTENT: &'static str = "text/html";
pub static TEXT_PLAIN_CONTENT: &'static str = "text/plain";
pub static OBJECT_STREAM_CONTENT: &'static str = "application/octet-stream";
pub static APPLICATION_JSON_CONTENT: &'static str = "application/json";

pub static GZIP_ENCODING: &'static str = "gzip";
pub static SUPPORTED_ENCODING: [&'static str; 1] = [GZIP_ENCODING];

pub static METHOD_GET: &'static str = "GET";
pub static METHOD_POST: &'static str = "POST";